Mendeleev, an outstanding Russian chemist, has been engaged in chemical research all his life, working tirelessly and achieving fruitful results. Because of hard life and hard work, Mendeleev was exhausted in college and was admitted to the hospital. He secretly put books, pens and paper tapes into the ward and never stopped studying for a day. Three weeks before his death, he also participated in the discussion of the airship's plan to explore the North Pole. It is in this spirit of constant struggle that Mendeleev discovered the periodic law of elements and published more than 500 scientific works, including thousands of pages.

Stephen hawking, a British physicist, founded a new theory of the universe and wrote A Brief History of Time, which is called "the most outstanding theoretical physicist in the world after Einstein". He was diagnosed with muscular dystrophy on 1963, and the doctor thought that he could only live for two years. However, he has made great achievements and won the unanimous respect of academia and the public, which is inseparable from his strong will and tenacious vitality. 1970, Hawking had to use a wheelchair. It has been more than 30 years, but he has always insisted on physical research, and even after losing his speech function, he still relies on machines to work.

Henry Fok, a famous real estate tycoon in Hong Kong.

But who knows, Mr. Fok Ying-tung's today is made up of coolies worth 70 cents? The poor family in childhood and the rough and bitter life in adulthood have tempered Fok Ying-tung's perseverance and cultivated his character of self-improvement, courage to forge ahead and struggle.

When the Japanese army expanded the airport during World War II, he worked as a coolie, earning 70 cents and a half a catty of rice a day. At that time, he only ate a bowl of porridge and a piece of rice cake every day, and he was dizzy with hunger. After the end, Henry fok devoted himself to the transportation industry. After the Korean War broke out, he started shipping again, and his business was very prosperous. Fok Ying-tung was not satisfied with his achievements in the transportation industry and began to March into the real estate industry. Since then, real estate has become the basis of his fortune.